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Home >> Hyundai >> 2018 >> Elantra GT Base, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control System Diagnosis >> DTC C1503-01: TCS Switch Error >> DTC Inspection >> GDS Data Analysis
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

GDS Data Analysis

  1. Connect GDS to Data Link Connector (DLC).
  2. Turn "ON" the ignition switch.
  3. Check the "Current Data" about related DTC with GDS.
    G12636633Courtesy of HYUNDAI MOTOR AMERICA

    Fig.1) "ESC OFF switch" operation

  4. Are the parameters displayed correctly?

    YES 

    • Fault might be intermittent caused by poor contact in the sensor's and/or ECU's connector or was repaired and ECU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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